Years 2009 2010 2011 2012 2013 2014 2015 2016 2017. Great sound, light weight and USFS Forestry approved spark arrestors.94-96 DB track Legal (with use of quiet insert). USFS forestry approved screen type removable spark arrestors. 304 stainless steel pipe construction with a brushed finish. Hard anodized 6061 aluminum silencer housings. Red powder coated stainless steel end caps. Sleek muffler design allows for maximum clearance. The item "Big Gun EVO R Full Exhaust Head Pipe Muffler Yamaha YFZ450R YFZ 450R 2009-2017" is in sale since Monday, October 9, 2017. This item is in the category "eBay Motors\Parts & Accessories\ATV, Side-by-Side & UTV Parts & Accessories\Exhaust". The seller is "motorsports_hub" and is located in Flagstaff, Arizona. This item can be shipped worldwide.